Terminal Velocity and Viscometer Principle Quiz
18 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What principle does a photocell work on?

  • Principle of interference
  • Principle of symmetry
  • Principle of photoelectric effect (correct)
  • Principle of diffraction

Which phenomenon is associated with the wave nature of light?

  • Polarization (correct)
  • Dual Nature of Matter
  • Photoelectric effect
  • Compton scattering

What is the de Broglie wavelength associated with?

  • Diffraction
  • Photoelectric effect
  • Gravity
  • Protons (correct)

Who suggested that moving particles should be associated with de Broglie waves?

<p>de Broglie (D)</p> Signup and view all the answers

Which experiment confirmed the existence of de Broglie waves associated with electrons?

<p>Davison and Germer Experiment (A)</p> Signup and view all the answers

What does a photocell convert light energy into?

<p>Electric energy (D)</p> Signup and view all the answers

What is the formula for Compton shift, the difference in wavelength of scattered and incident photons?

<p>$h \Delta \lambda = (1 - \cos \phi) m_0c$ (B)</p> Signup and view all the answers

In J.J. Thomson's experiment to determine the velocity and charge-to-mass ratio of cathode rays, what is the equation representing the forces due to electric and magnetic fields?

<p>$eE = Bev$ (A)</p> Signup and view all the answers

What does Milliken's Oil Drop Method determine?

<p>Charge on the electron (B)</p> Signup and view all the answers

Which formula is used to calculate the radius of an oil drop in Milliken's Oil Drop Method?

<p>$r = \frac{2(\rho - \sigma)g}{\eta v_0}$ (D)</p> Signup and view all the answers

What does J.J. Thomson's experiment aim to determine?

<p>Velocity and charge-to-mass ratio of cathode rays (A)</p> Signup and view all the answers

Which field is perpendicular to the direction of motion of cathode rays in J.J. Thomson's experiment?

<p>Electric field (C)</p> Signup and view all the answers

What is the formula for the maximum kinetic energy of photoelectrons emitted from a metal surface?

<p>$K_{max} = eV_o = h\nu - \phi_o$ (C)</p> Signup and view all the answers

What principle gives the de Broglie wavelength associated with a particle of momentum?

<p>de Broglie Hypothesis (B)</p> Signup and view all the answers

In the context of electron microscopy, what is the significance of accelerating electron beams?

<p>To enhance the resolution of the microscope (D)</p> Signup and view all the answers

What is the relationship between the Heisenberg Uncertainty Principle and position-momentum uncertainties?

<p>$\Delta x \cdot \Delta p = h / 2\pi$ (D)</p> Signup and view all the answers

What does the work function of a metal surface represent?

<p>The energy required to remove an electron from the metal surface (B)</p> Signup and view all the answers

How is the de Broglie wavelength related to the momentum of a particle?

<p>$\lambda = \frac{h}{mv}$ (D)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser